Siemens SIMATIC S7-300 Module data Hardware And Installation Manual

Wiring
S7-300 Programmable Controller Hardware and Installation
A5E00105492-01
6-7
230V
DC 24 V
L1
N
L+
M
M
L+
I
SIEMENS
M
L+
strain-relief assembly
230 V/120 V
CPUs 31xC:
power supply connector
of CPU 31xC (removable)
connecting cables for the
CPU´s power supply
Other CPU´s besides
CPU 312 IFM:
strain-relief assembly
power connector
230 V/120 V
0.5 to 0.8 Nm
CPU 312 IFM: wire L+ and M via the front connector of CPU 312 IFM
Figure 6-3 Wiring the power supply module and the CPU
Note
The PS 307 power supply module is equipped with two additional DC 24 V
connections (L+ and M) for the supply of I/O modules.

Siemens SIMATIC S7-300 Module data Specifications

General

Series	S7-300
Manufacturer	Siemens
Protection Class	IP20
System	SIMATIC S7-300
Digital Inputs	Varies by module
Digital Outputs	Varies by module
Analog Inputs	Varies by module
Analog Outputs	Varies by module
Central Processing Unit	Varies by CPU model
Supply Voltage	24V DC or 120/230V AC
CPU Type	Varies (e.g., CPU 312, CPU 315, etc.)
Memory	Varies by CPU model
Communication Interfaces	MPI, PROFIBUS
Programming Languages	LAD, FBD, STL, SCL, GRAPH
Operating Temperature	0°C to 60°C
Storage Temperature	-40°C to 70°C
Relative Humidity	10% to 95% (non-condensing)